From Darroch's resignation letter: "The current situation is making it impossible for me to carry out my role as I would like. Although my posting is not due to end until the end of this year, I believe in the current circumstances the responsible course is to allow the appointment of a new ambassador."

Brief back story: Darroch privately described the Trump administration as "clumsy and inept," but those documents were leaked. Trump then called Darroch "a very stupid guy" among other insults. http://bit.ly/2YIBNl5

It's Wednesday. I'm Cate Martel with a quick recap of the morning and what's coming up. Send comments, story ideas and events for our radar to cmartel@thehill.com -- and follow along on Twitter @CateMartel and Facebook.

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HAPPENING THIS MORNING

USA! USA! USA!

The U.S. women's national soccer team celebrated its World Cup win in New York City this morning with a ticker tape parade.

Via The Hill's Jacqueline Thomsen, "The 4th U.S. Circuit Court of Appeals on Wednesday dismissed a lawsuit filed by Maryland and the District of Columbia alleging that President Trump is violating the Emoluments Clause of the Constitution, finding that they did not have the standing to sue the president." http://bit.ly/2NLrdZC

Why members of the Progressive Caucus are on the fence: Progressives are not thrilled about the $733 billion price tag of the National Defense Authorization Act (NDAA). And the bill has xxbecome a vehicle allowing tensions about immigration and how Democratic leaders are handling border aid to spill out into public. http://bit.ly/32luUbk

Via The Hill's Jordain Carney, "Senators are growing anxious that they might have to vote to raise the nation's debt ceiling in a matter of weeks given new estimates that the government could hit its borrowing limit earlier than expected." http://bit.ly/2NLyGYC

Why the expedited timing could cause headaches on Capitol Hill: "Lawmakers had hoped they would be able to avoid the politically painful vote to raise the debt ceiling until the fall -- and that it could be packaged with other legislation to fund the government and set budget caps on spending."